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Tools from practice.

Free tools I use in my own engagements. No sign-up, no data collection, no affiliate links — everything runs in the browser or is publicly documented.

● For whom

SEO operators, CMOs and editorial teams looking for concrete, operationally usable tools — not yet another marketing tool stack.

● Promise

GDPR-compliant, no server uploads, no IP logs. What stays in the browser stays in the browser.

● Methodology

All scores and formulas are based on 500+ documented enterprise audits. Weights are transparent.

The six tools below cover the most common entry-level questions: How GEO-ready is my site? How do you write valid Schema.org JSON-LD? Which technical terms matter in 2026? What does the current market data show? If you do not find the right tool here, write to me directly — I add new ones regularly.

● Interactive · 3 minutes

GEO Readiness Check

10 questions. Score 0–100. A concrete recommendation on which gaps your site should close first for AI visibility.

Start the check →
● Generator · JSON-LD

Schema Generator

Person, Organization, Article, FAQPage — fill in the form, copy the finished Schema.org JSON-LD. Valid, no tracking.

Open generator →
● Reference · 53 terms

Glossary

45 technical terms from SEO, GEO and AI visibility — precisely defined, with formulas, benchmarks and cross-references.
● Live · monthly update

Benchmarks

Public audit data from 500+ enterprise domains. AAR trends, SoM, citation rates, crawler frequencies.
● Quarterly study

AI Search Index

A quarterly study with aggregated cohort data. 18–24 pages, free of charge, by pre-order.
● Operator stack

My Stack

The tools I actually use — with versions, purpose and reason for selection. No affiliate links.

All tools run in the browser. No data is stored or transmitted.

Overview · Last reviewed: September 23, 2026

Which free SEO and GEO tools are available here?

This page collects six free tools for SEO and generative engine optimization that I also use in client work. The GEO readiness check rates in ten questions whether a website is prepared for ChatGPT, Perplexity and Google AI Overviews, and discloses its weighting. The schema generator produces valid JSON-LD for Person, Organization, Article and FAQPage. The glossary explains the key terms from AAR to zero-click. The benchmarks and the AI search index bring together aggregated data from my own audit practice, and the stack lists the software I use. All tools work without sign-up and without tracking; input in the interactive tools never leaves your browser. The results do not replace an individual analysis, but they quickly show where the biggest gaps are.